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208804074 = 23231513073
BaseRepresentation
bin11000111001000…
…01100011101010
3112112220100100020
430130201203222
5411423212244
632415221310
75113543143
oct1434414352
9475810306
10208804074
11a7956656
1259b17836
133434a70b
141da34aca
15134e7d19
hexc7218ea

208804074 has 16 divisors (see below), whose sum is σ = 435765312. Its totient is φ = 66575168.

The previous prime is 208804069. The next prime is 208804111. The reversal of 208804074 is 470408802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756399 + ... + 756674.

It is an arithmetic number, because the mean of its divisors is an integer number (27235332).

Almost surely, 2208804074 is an apocalyptic number.

208804074 is an abundant number, since it is smaller than the sum of its proper divisors (226961238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208804074 is a wasteful number, since it uses less digits than its factorization.

208804074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513101.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 208804074 is about 14450.0544635652. The cubic root of 208804074 is about 593.2617146930.

The spelling of 208804074 in words is "two hundred eight million, eight hundred four thousand, seventy-four".

Divisors: 1 2 3 6 23 46 69 138 1513073 3026146 4539219 9078438 34800679 69601358 104402037 208804074